This document specifies the aluminum oxide, ferric oxide, calcium oxide, silicon dioxide, magnesium oxide, titanium dioxide, potassium oxide, sodium oxide, lithium oxide, manganese oxide, zinc oxide, phosphorus pentoxide, and total sulfur in concrete admixtures. (calculated as SO3), fluoride ion, chloride ion, nitrite ion, nitrate ion, sulfate ion and phosphate ion. This document is applicable to the determination of element content in concrete admixtures.